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Two kg of saturated liquid water at 1 bar is compressed to 25 bar and 100°C in a water pump. Determine the change in internal energy (kJ) and enthalpy (kJ) of water. (a) Using compressed liquid tables (b) Using approximation for compressed liquid state Answers: (a) U = 1.76 kJ , H = 6.78 kJ
Determine the molecular weight of a poly(ethylene-propylene) with a degree of polymerization of 25,000 given that 20% of the mers (by number) are ethylene and 80% are propylenel.
argon gas enters an adiabatic compressor under steady flow conditions at 12o kpa and 30 c with a velocity of 20 ms and
based on observations the speed of a jogger can be approximated problems 617 by the relation v 5 7.51 2 0.04x0.3 where
question 1the naca 4412 airfoil has a mean camber line given byby using thin airfoil theory calculatea. its zero-lift
liquid water enters a manifold series of pipes at 1080 psi and 125 degf with a mass flow rate of 3.5 x 10 6 lb hr and
Air enters a 0.6 m diameter fan at 16 deg C, 101 kPa, and is discharged at 18 deg C, 105 kPa, with a volumetric flow rate of 0.35 m^3/s.
Determine the minimum no of teeth required on pinion in order to avoid interference which is to gear with 1 a wheel to give a gear ratio of 3 to 1
a child drops a rock into a well and hears it splash into the water at the bottom exactly 2 seconds later. if she is at
the u velocity component of a steady two dimensional incompressible flow field is u 4x 3y 1. velocity component v is
an ideal gas is compressed from a volume of 400 cm3 to a volume of 150 cm3 slowly and isothermally in a
An Industrial water shutoff valve is designed to operate with 40lbs of force and will encounter 150lbs of resistance force applied to a 2in diameter axle. What is the required actual mechanical advantage of the system?
The total force Fa + Fb exerted on the shelter is in the direction parallel to the line L and it's magnitude is 400 lb. Graphically determine the magnitudes of Fa and Fb.
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